import pandas as pd
# index=['王蒙''李珊','赵胜','刘文']
# columns=['语文','数学','英语']
# dict={'语文':[110,95,98,112],'数学':[120,110,80,106],'英语':[105,108,100,97]}
# df1=pd.DataFrame(dict,index)
# print('使用字典对象创建的DataFrame对象df1:\n',df1)
# s1=pd.Series([110,120,105],columns)
# s2=pd.Series([95,110,108],columns)
# s3=pd.Series([98,80,100],columns)
# s4=pd.Series([112,106,97],columns)
# df2=pd.DataFrame([s1,s2,s3,s4],index)
# print('使用series对象创建的DataFrame对象df2:\n',df2)
# list = [[110,120,105],[95,110,108],[98,80,100],[112,106,97]]
# df=pd.DataFrame(list)
# print(df.values)
# print(df.dtypes)
# print(df.index)
# print(df.columns)
# print(df.T)
# print(df.head(2))
# print(df.tail(2))
# print(df.shape)
# print(df.info)
